function initialize() {
  var mapDiv = document.getElementById('map-canvas');
  var map = new google.maps.Map(mapDiv, {
    center: new google.maps.LatLng(41.8374949, -87.66503245),
    zoom: 11,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  });

  var ftLayer = new google.maps.FusionTablesLayer(139529);
  ftLayer.setMap(map);
}
